Charge and magnetic orderings in the triangular-lattice antiferromagnet InFe2O4

Kengo Oka, Masaki Azuma, Naoaki Hayashi, Shigetoshi Muranaka, Yasuo Narumi, Koichi Kindo, Shinya Ayukawa, Masatsune Kato, Yoji Koike, Yuichi Shimakawa, Mikio Takano

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)


The charge ordering and the magnetic ordering in InFe2O 4 were investigated using samples free of impurity Fe 3O4. X-ray diffraction, magnetic susceptibility, magnetization, Mössbauer spectroscopy, and dielectric constant measurements consistently showed that both these orderings occurred between 230 and 250 K. This temperature range is much smaller than the corresponding one in the cooling of electronic ferroelectric LuFe2O4, where charge ordering occurs at 320 K and magnetic ordering occurs at 250 K.

Original languageEnglish
Article number064803
JournalJournal of the Physical Society of Japan
Issue number6
Publication statusPublished - 2008 Jun


  • Charge frustration
  • Charge ordering
  • Dielectric constant
  • Ferrimagnet
  • Mössbauer spectroscopy
  • RFeO
  • Spin frustration
  • Triangular lattice


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